Gene description for GPA33
Gene name glycoprotein A33 (transmembrane)
Gene symbol GPA33
Other names/aliases A33
Species Homo sapiens
 Database cross references - GPA33
ExoCarta ExoCarta_10223
Vesiclepedia VP_10223
Entrez Gene 10223
HGNC 4445
MIM 602171
UniProt Q99795  
 GPA33 identified in sEVs derived from the following tissue/cell type
Colon cancer cells 34887515    
Colorectal cancer cells 19837982    
Colorectal cancer cells 25890246    
Colorectal cancer cells 25890246    
Colorectal cancer cells 25890246    
Colorectal cancer cells 25890246    
Colorectal cancer cells 34887515    
Faeces 33431899    
Faeces 33431899    
Intestinal epithelial cells 11487543    
 Gene ontology annotations for GPA33
Molecular Function
    protein binding GO:0005515 IPI
    signaling receptor activity GO:0038023 TAS
Subcellular Localization
    plasma membrane GO:0005886 IBA
    extracellular exosome GO:0070062 HDA
 Experiment description of studies that identified GPA33 in sEVs
1
Experiment ID 1214
MISEV standards
Biophysical techniques
EPCAM|FLOT1|CD9|SDCBP
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 34887515    
Organism Homo sapiens
Experiment description Supermeres are functional extracellular nanoparticles replete with disease biomarkers and therapeutic targets
Authors "Zhang Q, Jeppesen DK, Higginbotham JN, Graves-Deal R, Trinh VQ, Ramirez MA, Sohn Y, Neininger AC, Taneja N, McKinley ET, Niitsu H, Cao Z, Evans R, Glass SE, Ray KC, Fissell WH, Hill S, Rose KL, Huh WJ, Washington MK, Ayers GD, Burnette DT, Sharma S, Rome LH, Franklin JL, Lee YA, Liu Q, Coffey RJ."
Journal name Nat Cell Biol
Publication year 2021
Sample Colon cancer cells
Sample name DiFi-derived EGFR/CD81-positive sEVs - bright (FAVS)
Isolation/purification methods Differential centrifugation
Filtration
Centrifugal ultrafiltration
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
2
Experiment ID 21
MISEV standards
EM|IEM
Biophysical techniques
Alix|TSG101|HSP70|CD63
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method
Mass spectrometry
Western blotting
   Supporting data    MS     WB    
PubMed ID 19837982    
Organism Homo sapiens
Experiment description Proteomic and bioinformatic analysis of immunoaffinity-purified exosomes derived from the human colon tumor cell line LIM1215.
Authors "Suresh Mathivanan, Justin W.E. Lim, Bow J. Tauro, Hong Ji, Robert L. Moritz and Richard J. Simpson"
Journal name MCP
Publication year 2009
Sample Colorectal cancer cells
Sample name LIM1215
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.10-1.12 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [Orbitrap]
Western blotting
3
Experiment ID 282
MISEV standards
CEM
Biophysical techniques
Alix|TSG101|CD63|CD81|EpCAM
Enriched markers
Negative markers
DLS
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25890246    
Organism Homo sapiens
Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct.
Authors "Xu R, Greening DW, Rai A, Ji H, Simpson RJ."
Journal name Methods
Publication year 2015
Sample Colorectal cancer cells
Sample name LIM1863 - Ultracentrifugation - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
4
Experiment ID 283
MISEV standards
CEM
Biophysical techniques
Alix|TSG101|CD63|CD81|EpCAM
Enriched markers
Negative markers
DLS
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25890246    
Organism Homo sapiens
Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct.
Authors "Xu R, Greening DW, Rai A, Ji H, Simpson RJ."
Journal name Methods
Publication year 2015
Sample Colorectal cancer cells
Sample name LIM1863 - Ultracentrifugation - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
5
Experiment ID 285
MISEV standards
CEM
Biophysical techniques
Alix|TSG101|CD63|CD81|EpCAM
Enriched markers
Negative markers
DLS
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25890246    
Organism Homo sapiens
Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct.
Authors "Xu R, Greening DW, Rai A, Ji H, Simpson RJ."
Journal name Methods
Publication year 2015
Sample Colorectal cancer cells
Sample name LIM1863 - Sequential centrifugal ultrafiltration - Rep 1
Isolation/purification methods Differential centrifugation
Filtration
Sequential centrifugal ultrafiltration
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
6
Experiment ID 286
MISEV standards
CEM
Biophysical techniques
Alix|TSG101|CD63|CD81|EpCAM
Enriched markers
Negative markers
DLS
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 25890246    
Organism Homo sapiens
Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct.
Authors "Xu R, Greening DW, Rai A, Ji H, Simpson RJ."
Journal name Methods
Publication year 2015
Sample Colorectal cancer cells
Sample name LIM1863 - Sequential centrifugal ultrafiltration - Rep 2
Isolation/purification methods Differential centrifugation
Filtration
Sequential centrifugal ultrafiltration
Centrifugal concentration
Flotation density -
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
Western blotting
7
Experiment ID 1203
MISEV standards
EM
Biophysical techniques
SDCBP|FLOT1|CD9|CD81|CD63|EPCAM|GAPDH|LAMP1|TFRC|CD151|CD82|LAMP2|RAB35|TSG101|FLOT2|RAB5B|ICAM1|RAB5A
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 34887515    
Organism Homo sapiens
Experiment description Supermeres are functional extracellular nanoparticles replete with disease biomarkers and therapeutic targets
Authors "Zhang Q, Jeppesen DK, Higginbotham JN, Graves-Deal R, Trinh VQ, Ramirez MA, Sohn Y, Neininger AC, Taneja N, McKinley ET, Niitsu H, Cao Z, Evans R, Glass SE, Ray KC, Fissell WH, Hill S, Rose KL, Huh WJ, Washington MK, Ayers GD, Burnette DT, Sharma S, Rome LH, Franklin JL, Lee YA, Liu Q, Coffey RJ."
Journal name Nat Cell Biol
Publication year 2021
Sample Colorectal cancer cells
Sample name DiFi
Isolation/purification methods Differential centrifugation
Filtration
Centrifugal ultrafiltration
Ultracentrifugation
OptiPrep density gradient centrifugation
Flotation density -
Molecules identified in the study Protein
miRNA
Methods used in the study Western blotting
Mass spectrometry
RNA sequencing
8
Experiment ID 305
MISEV standards
Biophysical techniques
CD63|CD81|CD9
Enriched markers
Negative markers
NTA
Particle analysis
Identified molecule protein
Identification method Western blotting
Immunofluorescence
PubMed ID 33431899    
Organism Homo sapiens
Experiment description High-fat diet-induced upregulation of exosomal phosphatidylcholine contributes to insulin resistance
Authors "Kumar A, Sundaram K, Mu J, Dryden GW, Sriwastva MK, Lei C, Zhang L, Qiu X, Xu F, Yan J, Zhang X, Park JW, Merchant ML, Bohler HCL, Wang B, Zhang S, Qin C, Xu Z, Han X, McClain CJ, Teng Y, Zhang HG."
Journal name Nat Commun
Publication year 2021
Sample Faeces
Sample name Healthy volunteers
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient centrifugation
Flotation density -
Molecules identified in the study Protein
Lipid
Methods used in the study Western blotting
Mass spectrometry
Immunofluorescence
HPLC
9
Experiment ID 306
MISEV standards
Biophysical techniques
CD63|CD81|CD9
Enriched markers
Negative markers
NTA
Particle analysis
Identified molecule protein
Identification method Western blotting
Immunofluorescence
PubMed ID 33431899    
Organism Homo sapiens
Experiment description High-fat diet-induced upregulation of exosomal phosphatidylcholine contributes to insulin resistance
Authors "Kumar A, Sundaram K, Mu J, Dryden GW, Sriwastva MK, Lei C, Zhang L, Qiu X, Xu F, Yan J, Zhang X, Park JW, Merchant ML, Bohler HCL, Wang B, Zhang S, Qin C, Xu Z, Han X, McClain CJ, Teng Y, Zhang HG."
Journal name Nat Commun
Publication year 2021
Sample Faeces
Sample name Type 2 diabetes patients
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient centrifugation
Flotation density -
Molecules identified in the study Protein
Lipid
Methods used in the study Western blotting
Mass spectrometry
Immunofluorescence
HPLC
10
Experiment ID 4
MISEV standards
IEM
Biophysical techniques
CD63|MHCI|MHCII
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 11487543    
Organism Homo sapiens
Experiment description Intestinal epithelial cells secrete exosome-like vesicles.
Authors "van Niel G, Raposo G, Candalh C, Boussac M, Hershberg R, Cerf-Bensussan N, Heyman M"
Journal name Not applicable
Publication year 2001
Sample Intestinal epithelial cells
Sample name HT29-19A
T84-DRB1*0401/CIITA
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Sucrose density gradient
Flotation density 1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
 Protein-protein interactions for GPA33
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 KLHL22 84861
Affinity Capture-MS Homo sapiens
2 UPK2 7379
Two-hybrid Homo sapiens
3 NSF 4905
Affinity Capture-MS Homo sapiens
4 ENTPD3  
Two-hybrid Homo sapiens
5 GPX4 2879
Affinity Capture-MS Homo sapiens
6 Sgol2  
Affinity Capture-MS Mus musculus
7 CTDSP2 10106
Affinity Capture-MS Homo sapiens
8 SMCO4  
Two-hybrid Homo sapiens
9 NSG1  
Two-hybrid Homo sapiens
10 POT1  
Two-hybrid Homo sapiens
11 MALL  
Two-hybrid Homo sapiens
12 DNAJC11 55735
Affinity Capture-MS Homo sapiens
13 EMP3 2014
Two-hybrid Homo sapiens
14 NRSN1  
Two-hybrid Homo sapiens
15 ATE1 11101
Affinity Capture-MS Homo sapiens
View the network image/svg+xml
 Pathways in which GPA33 is involved
No pathways found





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